To observe the effect of Acla and Ara c(AA plan)on acute refractory and recurrent leukemia. 20 patients with acute refractory and recurrent leukemia were treated with AA plan.

• 观察阿克拉霉素 (Acla)与阿糖胞苷 (Ara- c)联合方案 (AA方案 )治疗难治及复发性急性白血病的疗效 ,对 2 2例难治及复发性急性白血病患者进行了 AA方案化疗。